.card{
    background: url("bg2.jpg") ;
    background-size: 100%;
}
.tiaoxing{
    border: 1px black solid;
    width: 31.2%;
    margin-left: 5.3%;
}
.zhexiantu{
    border: 1px blue solid;
    width: 60%;
    margin-left: 5.2%;
}
.tongji{
    border: 1px purple solid;
    width: 400px;
    height: 500px;
    margin-left: 2%;
    margin-top: 1%;
}
.sandiantu{
    border: 1px green solid;
    width: 33.5%;
    margin-left: 1%;
}
.bintu{
    border: 1px burlywood solid;
    width: 28%;
    margin-left: 1.8%;
}
.di{
    margin-bottom: 7%;
}
.bintuk{
    border: 1px burlywood solid;
    width: 23%;
    margin-left: 1%;
}




 /*opacity:0.6;*!*/
